Book scavenger

Emily and James compete in an epic escape-room challenge on Alcatraz Island, designed by game-maker Garrison Griswold and mystery writer Errol Ray. Soon, James and Emily discover that they are being targeted, and uncover a dangerous plot involving Emily's brother, Matthew. They must then solve the mystery that will lead them to the saboteur while also trying to escape the harrowing Alcatraz underground.

Emily, her friend James, and her brother Matthew travel to Alcatraz for an elaborate escape room challenge.

"Mr. Quisling is definitely up to something mysterious, and Emily and James are on high alert. First, there's the coded note he drops at a book event. Then Emily and James uncover a trail of encrypted messages in books by Mark Twain hidden through Book Scavenger. What is most suspicious is that each hidden book triggers an arson"--OCLC.

On the morning of June 12, 1962, guards at Alcatraz Prison discovered that inmates Frank Lee Morris, John William Anglin, and Clarence Anglin were missing from their cells. The inmates had fashioned dummy faces in their bunks and escaped the island prison using a makeshift raft constructed of rubber raincoats. Although the FBI conducted an exhaustive investigation, no evidence was located that the three escaped convicts ever reached the shore. Morris, and both Anglins were presumed to be dead.

Could the Mark Twain books hidden through Book Scavenger contain clues about the string of recent arson fires plaguing the city?.